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Sony A7R IV
Sigma FE 35mm f/1.4 DG DN Art

Examples: Tigger

These examples of Tigger were shot handheld with IBIS.

Includes images up to full camera resolution.

Tigger Stretched-Out, Sleeping

This example shows that edge performance drops off sharply even at f/2.8, and even without the distortion correction that will degrade sharpness even further. It is unacceptably soft especially on the left side—follow the 'cut' of sharpness across the pavement. This is a brand-new lens sample, and it does not look good on the left side here or in any other image. So much for Sigma’s claim of MTF testing each lens—poor quality control.

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Diglloyd Guide to Mirrorless is by yearly subscription. Subscribe now for about 25 cents a day ($90/year).
BEST DEAL: get full access to ALL 8 PUBLICATIONS for only about 75 cents a day!

Diglloyd Guide to Mirrorless offers comprehensive integrated coverage of most APS-C and full frame mirrorless cameras and lenses.

Special emphasis is placed on Sony full-frame, including Sony lenses and the high performance Zeiss Batis and Zeiss Loxia lenses plus Rokinon/Samyang and others. Fujifilm X, Olympus and Panasonic M4/3, Sigma dp Merrill and dp/sd Quattro are also covered in depth. Years in the making, it offers a wealth of material for choosing and using a mirrorless camera.

  • Make better images by learning how to get the best results right away. For example, the best way to set up your Sony camera.
  • Save money by choosing the right lens for your needs the first time, particularly with the numerous lenses available for Sony.
  • Make better images, a sort of “cheat sheet” saving yourself months or years of ad-hoc learning—best practices and how-to and processing parameters are discussed and shown.
  • Jaw-dropping image quality found nowhere else utilizing Retina-grade images up to full camera resolution, plus large crops.
  • Real world examples with insights found nowhere else. Make sharper images just by understanding lens behavior you won’t read about elsewhere.
  • Aperture series from wide open through stopped down, showing the full range of lens performance and bokeh.
  • Optical quality analysis of field curvature, focus shift, sharpness, flare, distortion, and performance in the field.

Want a preview? Click on any page below to see an excerpt as well as extensive blog coverage, for example on Sony.

f2.8 @ 1/125 sec handheld IBIS=on, ISO 100; 2021-06-24 18:43:46
Sony A7R IV + Sigma FE 35mm f/1.4 DG DN Art
RAW: LACA corrected, vignetting corrected, pull 0.3 stops, +20 Whites, +15 Clarity

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